Side by side

Seiko AstronvsZelos Aurora Moonphase

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Seiko Astron

Owners widely praise the Seiko Astron for its spectacular time-telling technology, GPS time sync, and grab-and-go convenience, with many calling it the best watch they have ever owned. Reviewers and owners highlight the well-managed dial detail, textured hour markers, and high-contrast edges, as well as the well-finished case and bracelet. Some find the lightweight titanium build and quick bracelet adjustment contribute to comfortable wearability. Accuracy is noted as +/- 15 seconds per month without GPS, though the autonomous quartz movement can be easily reset by looking at the sky. Criticisms include DST not being automatically implemented, recessed buttons requiring a sharp object for adjustment, and sparse lume with no 12 o'clock marker. Some owners feel the price point is too expensive for its aesthetic appeal. Overall, owners rate the Seiko Astron highly for its advanced time-telling technology and convenient features.

Zelos Aurora Moonphase

Owners widely praise Zelos for offering excellent value, solid build quality, and enthusiast-friendly designs, with unique dial variants often selling out quickly. The Zelos Aurora Moonphase is noted as a desirable model, though finding one can be challenging. Some owners find Zelos's designs, including those of the Aurora line, to be too flashy for everyday wear, preferring a more subdued aesthetic. One owner reported their Zelos Aurora Nebula 38mm running at -5.3 seconds per day. Overall, owners rate the Zelos Aurora Moonphase highly for its desirable microbrand status and unique dial appeal.

At a glance

13 of 29 specs differ
Diameter
Astron41.2mm
Aurora Moonphase39mm
Power Reserve
Astron
Aurora Moonphase
Water Resistance
Astron100m
Aurora Moonphase200m
MSRP
Astron$2,200
Aurora Moonphase$949

Full specifications

Case

6 specs
Category
Dress
Moonphase
Diameter
41.2mm
39mm
Thickness
12mm
12.5mm
Lug-to-Lug
48.5mm
39mm
Lug Width
14mm
20mm
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Super-clear coating
Dial Color
Meteorite
Lume
LumiBrite on hands and index(es)
None

Movement

3 specs
Caliber
3X62
Sellita SW288
Type
Quartz
Automatic
Jewels
10
0

Pricing

1 specs
MSRP
$2,200
$949
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